CN103528100B - Picnic furnace - Google Patents

Picnic furnace Download PDF

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Publication number
CN103528100B
CN103528100B CN201310548429.XA CN201310548429A CN103528100B CN 103528100 B CN103528100 B CN 103528100B CN 201310548429 A CN201310548429 A CN 201310548429A CN 103528100 B CN103528100 B CN 103528100B
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CN
China
Prior art keywords
flue
heater
furnace
air
flame
Prior art date
Application number
CN201310548429.XA
Other languages
Chinese (zh)
Other versions
CN103528100A (en
Inventor
陈立德
陈诗
Original Assignee
宁波高新区科莱尔节能设备有限公司
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Publication date
Application filed by 宁波高新区科莱尔节能设备有限公司 filed Critical 宁波高新区科莱尔节能设备有限公司
Priority to CN201310548429.XA priority Critical patent/CN103528100B/en
Publication of CN103528100A publication Critical patent/CN103528100A/en
Application granted granted Critical
Publication of CN103528100B publication Critical patent/CN103528100B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B1/00Stoves or ranges
    • F24B1/02Closed stoves
    • F24B1/022Closed stoves easily collapsible or easily removable
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B1/00Stoves or ranges
    • F24B1/003Stoves or ranges on which a removable cooking element is arranged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/182Stoves with open fires, e.g. fireplaces with additional provisions for cooking

Abstract

The present invention relates to a kind of picnic furnace, include body of heater and the flue being enclosed within furnace interior, certain distance is had between the bottom of flue and the bottom of body of heater, it is characterized in that: the bottom of described flue is sealing, open top and being connected with body of heater top seal, is formed with air flow lumen between the side of flue and body of heater; The bottom perisporium of described flue is provided with several fresh air inlet, maintains a certain distance bottom the height of described fresh air inlet and flue; And the air blast being blasted in described air flow lumen by air and make air laterally enter into described flue inside is provided with in the bottom of described body of heater.Picnic furnace of the present invention has not easily stops working, and fuel combustion can avoid again the advantage of flying dust fully simultaneously, is worthy of popularization.

Description

Picnic furnace

Technical field

The present invention relates to a kind of picnic furnace, be specifically related to a kind of horizontal air inlet and there is inside and outside double-deck picnic furnace.

Background technology

Picnic furnace is that people go out the standing cooking utensil of picnicing, and become the safari suit that many consumers make earnest efforts buying in recent years standby, the picnic furnace of design small volume and less weight, safety and environmental protection becomes the focus that businessman falls over each other developmental research.Current, compared with relying on the Novel furnace of solar energy heating, the picnic furnace using naked light to carry out cooking is simple with its structure, heating remains popular the most general selection fast.Chinese utility model patent " one lights picnic furnace " (Authorization Notice No. CN2126385U) discloses a kind of picnic furnace, comprise a furnace shell, be set with the muff that refractory material is made in furnace shell, in muff, be placed with ignited briquet, there is the little portable advantage of volume.Because this picnic furnace in use must assemble coal combustion, after coal combustion exhausts, cannot replace with other fuel, limit picnic furnace all spendable feature whenever and wherever possible.And when using picnic furnace in the wild, people more wish to gather materials on the spot and select leaf, branch etc. as fuel, to remove the trouble carrying with fuel from, also save the energy simultaneously.Often the problem run into using living beings such as branches as fuel has that fuel combustion is insufficient, easy flame-out, over-emitting black exhaust etc., addresses this problem and normally on body of heater, designs air inlet.Chinese utility model patent " wind-proof type living beings picnic furnace " (Authorization Notice No. CN202813447U) discloses a kind of picnic furnace, in lower furnace portion, fire grate is set, the bottom perisporium of body of heater shell arranges fresh air inlet or bottom is provided with stove pin, the air inlet mode of this structure is undergrate blast, lower furnace portion arranges fire grate, combustion air from bottom to top flows through the fuel of burning, and the ashes simultaneously burnt leak down to be deposited in furnace bottom from fire grate.This design improves the efficiency of combustion of fuel to a certain extent, but also there is following defect: 1, burner hearth bottom arranges fire grate, is difficult to preserve the fire in a stove before fuel is added, and stopping working in use procedure takes place frequently; 2, after burned for long time, a certain amount of ashes can be gathered in fire grate bottom, and the air draught poured into from bottom easily causes flying dust; 3, because the size of air draught depends on natural wind, and the intensity of natural wind is unstable, is unfavorable for that the fuel moment keeps efficient efficiency of combustion.In addition, the environment for use due to picnic furnace is generally spacious open air, and the heat exchange between stove and surrounding enviroment is a large amount of calory burning of loss also, and the heat loss how reducing picnic furnace is also problem in the urgent need to address.

Summary of the invention

Fully simultaneously technical problem to be solved by this invention provides a kind of not easily flame-out, fuel combustion can avoid again the picnic furnace of flying dust for above-mentioned prior art.

Another technical problem to be solved by this invention provides a kind of picnic furnace that effectively can improve calory burning utilization rate for above-mentioned prior art.

The present invention's adopted technical scheme that solves the problem is: a kind of picnic furnace, include body of heater and be enclosed within the flue in body of heater, certain distance is had between the bottom of described flue and the bottom of body of heater, it is characterized in that: the bottom of described flue is sealing, open top and being connected with body of heater top seal, is formed with air flow lumen between the side of described flue and body of heater; The bottom perisporium of described flue is provided with several fresh air inlet, maintains a certain distance bottom the height of described fresh air inlet and flue; And the air blast being blasted in described air flow lumen by air and make air laterally enter into described flue inside is provided with in the bottom of described body of heater.

Preferred scheme is, described fresh air inlet is uniform along flue circumference, and the circle that at least distributes, ensure that combustion air enters into flue inside equably from flue surrounding, fuel is fully burned.

Further preferably, the top perisporium of described flue is provided with several benefit wind fresh air inlet, the circumference respectively along flue is uniform for such scheme, and the circle that at least distributes.When the disposable fuel overfill added, the air admission hole of flue bottom is easily blocked from inside by fuel, or after burning for a long time, air admission hole is easily blocked by dust stratification, and now combustion air is difficult to enter flue inside from air admission hole.Mending wind fresh air inlet by arranging, to the oxygen in flue needed for by-carriage burning, can ensure that burning can continue, avoiding fuel because burning the insufficient and consequence of over-emitting black exhaust.

Preferably, the perisporium of described body of heater is provided with heat-insulation layer.Insulating layer of furnace body the heat exchange that effectively can reduce picnic furnace and external environment is set, improve the utilization rate of the combustion heat; In addition, arrange heat-insulation layer and the air in air flow lumen can be made to obtain preheating, the air of preheating can improve the temperature of combustion flame, thus shortens the time of culinary art.

Picnic furnace in use for some time, the temperature of flue can raise, especially after furnace body inside arranges heat-insulation layer, a large amount of heat accumulations is at furnace interior, the normal work of hot environment to air blast is totally unfavorable, in order to ensure that air blast can normal operation, the present invention further preferred scheme is that furnace interior is provided with the thermal insulation board being positioned at the top of described air blast, the below of flue, and this thermal insulation board and described air blast, keeps certain spacing bottom flue; Described thermal insulation board has several through hole of allowing air circulation, described through hole is uniform along the center circumference of thermal insulation board.By arranging thermal insulation board, thermal source flue and air blast being kept apart, ensure that air blast can not be stopped running because of hot environment.In addition, without prejudice under the prerequisite of inventive concept, thermal insulation board can also be designed to other structures, as grid structure.

Particularly, the opening edge of described flue is along being arranged to outside flange, and described flue rides over body of heater top by flange, and makes to be tightly connected between described flue top and body of heater top.The combustion air blasted by air blast like this can not be excessive from air flow lumen top, and enter into as much as possible in flue.

Preferably, in order to improve the thermal efficiency of flame further, heating flame is put together, the upper end of described flue opening is provided with flame-gathering cover, this flame-gathering cover in communicating up and down, up-small and down-big bullet, flame-gathering cover upper end is crater, and lower end is poly-burner, and the bore of poly-burner is more than or equal to the bore of flue opening.

The design coordinated with flame-gathering cover is, described body of heater top is provided with pan support, and the bearing height of this pan support is greater than the crater height of described flame-gathering cover.

Particularly, described bottom of furnace body is provided with stove pin, or described upper of furnace body is provided with three-legged support, and three-legged support top is provided with the bracing ring supporting body of heater.Just can maintain a certain distance between such body of heater and ground, combustion air constantly blasts in air flow lumen by air blast in a steady stream that be convenient to bottom of furnace body bottom picnic furnace.

Compared with prior art, the invention has the advantages that: the bottom due to flue is sealing, height and the furnace bottom of the enterprising pore of flue maintain certain distance, be different from bottom air inlet, in the present invention, combustion air laterally enters in flue from the air admission hole of flue bottom, avoid combustion air directly to contact with single spark bottom flue, be conducive to preserving the fire in a stove before fuel is added to greatest extent, facilitate secondary to ignite.In addition, the picnic furnace of this structure, the ashes that flue combustion produces are directly deposited bottom flue, can not spill body of heater outside, are combustion air current or naturally blow and all can not cause flying dust phenomenon, protect environmental sanitation.Bottom of furnace body is provided with air blast, does not need to rely on natural wind and can obtain stable combustion air, be conducive to the efficiency of combustion that the moment keeps fuel.To sum up, picnic furnace of the present invention achieves not easily flame-out, fuel combustion and can avoid again the object of flying dust fully simultaneously.

Accompanying drawing explanation

Fig. 1 is the structural representation of the tripod picnic furnace of the embodiment of the present invention.

Fig. 2 is the use schematic diagram of the picnic furnace of another embodiment of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.

As shown in Figure 1, the picnic furnace structure in the present embodiment includes body of heater 1 and is enclosed within the flue 3 of furnace interior, has certain distance between the bottom of flue and the bottom of body of heater; The bottom of flue 3 is sealings, and open top, outside flange 31 is arranged at the edge of opening, and flue rides over body of heater top by flange, and flue top is connected with body of heater top seal by this flange.Such combustion air can not be excessive from top, and enter into as much as possible in flue.And the external diameter of flue 3 is less than the internal diameter of body of heater 1, between the side of flue and body of heater, be formed with air flow lumen 5; The bottom perisporium of described flue is provided with the several fresh air inlets 6 be uniformly distributed circumferentially, maintains a certain distance bottom the height of described fresh air inlet and flue; In this embodiment, the top perisporium of flue is also provided with several benefit wind fresh air inlet 4, the circumference respectively along flue is uniform.

The bottom of body of heater is provided with air blast 8, and air enters in air flow lumen by air blast, enters flue inside via fresh air inlet.The perisporium of body of heater is provided with heat-insulation layer 2, and reducing while heat loss can combustion air in preheated air flow cavity 5.Described furnace interior is provided with the thermal insulation board 7 will separated bottom air blast 8 and flue 3 simultaneously, and thermal insulation board is positioned at the top of air blast, the below of flue, and all keeps certain spacing; Described thermal insulation board 7 has several through hole 71 of allowing air circulation, described through hole is uniform along the center circumference of thermal insulation board.

In this embodiment, the upper end of described flue opening is provided with flame-gathering cover 9, this flame-gathering cover in communicating up and down, up-small and down-big bullet, the upper end of described flame-gathering cover is crater, and lower end is poly-burner, and the bore of poly-burner is more than or equal to the bore of flue opening.Also be provided with pan support 10 at body of heater top, the bearing height of this pan support is greater than the crater height of described flame-gathering cover 9.For coordinating air blast operation, body of heater need maintain a certain distance with ground, and body of heater is provided with three-legged support 11, three-legged support top is the bracing ring supporting body of heater, or below body of heater, arrange stove pin 12, as shown in Figure 2, support whole body of heater, be convenient to air blast and blast combustion air from bottom.

When using picnic furnace of the present invention to cook, in flue, the fuel lighted in advance is dropped into from flame-gathering cover, open air blast, combustion air is blasted in body of heater, through hole on thermal insulation board enters the air flow lumen between flue and body of heater, through laterally entering flue inside, the oxygen needed for aftercombustion by the air admission hole (with benefit wind air admission hole) of flue side after accumulating to certain pressure, guarantee the Thorough combustion of fuel.And owing to having certain distance bottom flue and between air admission hole, the ashes that burning produces are deposited on bottom flue, avoid flying dust, farthest save the fire in a stove before fuel is added, again light use to facilitate during continuous bavin simultaneously.Heat-insulation layer on body of heater perisporium reduces the combustion heat loss of picnic furnace, and after burning a period of time, the air in air flow lumen also obtain preheating, improves the thermal efficiency of flame.Further, the flame of dispersion is gathered by the flame-gathering cover of flue open upper end, has concentrated firepower, has shortened cooking time.Can fill into fuel from flame-gathering cover at any time in combustion, the fire in a stove before fuel is added preserved bottom flue is convenient to secondary and is ignited and avoid flame-out.After picnic furnace uses, treat that body of heater cools completely, flue is taken out deashing.Picnic furnace of the present invention really meets the requirement that is high, not easily flame-out and environmentally-friendly sanitary of sufficient combustion, the thermal efficiency.

The foregoing is only the preferred embodiment of the present invention; for a person skilled in the art; do not departing under principle of the present invention; multiple improvement can also be made to the structure of picnic furnace; such as air blast is located at body of heater outside; arrange blast channel at bottom of furnace body, be connected by the air outlet of blast pipe by air blast with blast channel, the distortion of this class formation also all should be considered as in protection scope of the present invention.

Claims (1)

1. a picnic furnace, include body of heater (1) and be enclosed within the flue (3) in body of heater, there is certain distance between the bottom of described flue and the bottom of body of heater, it is characterized in that: the perisporium of described body of heater is provided with heat-insulation layer (2); The bottom of described flue (3) is sealing, open top and being connected with body of heater (1) top seal, the opening edge of described flue is along being arranged to outside flange (31), described flue rides over body of heater top by flange, and makes to be tightly connected between described flue top and body of heater top; Picnic furnace uses after body of heater (1) cools completely, flue (3) can be taken out deashing; Air flow lumen (5) is formed between the side of described flue and body of heater; The bottom perisporium of described flue is provided with several fresh air inlet (6), maintains a certain distance bottom the height of described fresh air inlet and flue; And the air blast (8) being blasted in described air flow lumen by air and make air laterally enter into described flue inside is provided with in the bottom of described body of heater;
Described furnace interior is provided with the thermal insulation board (7) being positioned at the top of described air blast, the below of flue, and this thermal insulation board and described air blast, flue keep certain spacing; Described thermal insulation board has several through hole (71) of allowing air circulation; Described through hole (71) is uniform along the center circumference of thermal insulation board;
The upper end of described flue opening is provided with flame-gathering cover (9), this flame-gathering cover in communicating up and down, up-small and down-big bullet, the upper end of this flame-gathering cover is crater, and lower end is poly-burner, and the bore of described poly-burner is more than or equal to the bore of flue opening; Described body of heater top is provided with pan support (10), and the bearing height of this pan support is greater than the crater height of described flame-gathering cover; Described fresh air inlet (6) is uniform along flue circumference, and the circle that at least distributes; The top perisporium of described flue is provided with several benefit wind fresh air inlet (4), the circumference respectively along flue is uniform, and the circle that at least distributes; Described bottom of furnace body is provided with stove pin (12); Or described upper of furnace body is provided with three-legged support (11), three-legged support top is provided with the bracing ring supporting body of heater, has certain spacing between described bottom of furnace body and ground.
CN201310548429.XA 2013-11-07 2013-11-07 Picnic furnace CN103528100B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310548429.XA CN103528100B (en) 2013-11-07 2013-11-07 Picnic furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310548429.XA CN103528100B (en) 2013-11-07 2013-11-07 Picnic furnace

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CN103528100A CN103528100A (en) 2014-01-22
CN103528100B true CN103528100B (en) 2016-01-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201502824D0 (en) * 2015-02-19 2015-04-08 Standard Brands Uk Ltd Cooking stove
CN104964319A (en) * 2015-07-08 2015-10-07 宁波高新区科莱尔节能设备有限公司 Windproof fire-guiding pot support
CN105091037B (en) * 2015-09-15 2017-11-17 宁波金名片能源科技有限公司 A kind of picnic furnace with anti-scald structure
CN105318363A (en) * 2015-11-13 2016-02-10 无锡市沈宪住宅配套设施厂 Fuel gas producing furnace
CN105823076A (en) * 2016-03-16 2016-08-03 常杰 Portable automatic pressurization outdoor induced draft furnace

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151492A (en) * 2005-03-29 2008-03-26 皇家飞利浦电子股份有限公司 Improvements in cooking stoves
CN203656995U (en) * 2013-11-07 2014-06-18 陈立德 Picnic furnace

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2217191Y (en) * 1994-06-02 1996-01-10 王崧 Portable cook stove for tourism use
ITPN20040022A1 (en) * 2004-03-24 2004-06-24 Smartech Italia S R L Ora Smar "Mobile equipment provided with the surface for contact cooking"
US8297271B2 (en) * 2008-10-07 2012-10-30 Biolite Llc Portable combustion device utilizing thermoelectrical generation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151492A (en) * 2005-03-29 2008-03-26 皇家飞利浦电子股份有限公司 Improvements in cooking stoves
CN203656995U (en) * 2013-11-07 2014-06-18 陈立德 Picnic furnace

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Effective date of registration: 20151223

Address after: 315040 Zhejiang city of Ningbo province high tech Zone Gladiolus Road No. 388 Room 305

Applicant after: NINGBO HIGH-TECH ZONE KLR ENERGY SAVING EQUIPMENT CO., LTD.

Address before: 315040 3-07, building 66, Pioneer Road, academician Road, hi tech Zone, Zhejiang, Ningbo

Applicant before: Chen Lide

Applicant before: Chen Shi

C14 Grant of patent or utility model
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CP03 Change of name, title or address

Address after: 315040 Zhejiang city of Ningbo province high tech Zone Gladiolus Road No. 399 Room 305

Patentee after: NINGBO KELAIER ENERGY-SAVING TECHNOLOGY LIMITED BY SHARE LTD

Address before: 315040 Zhejiang city of Ningbo province high tech Zone Gladiolus Road No. 388 Room 305

Patentee before: NINGBO HIGH-TECH ZONE KLR ENERGY SAVING EQUIPMENT CO., LTD.